Yes
Step 2
Repair fuel pump fuse EF05 circuit.
(a)
Check fuel pump fuse EF05 circuit.
(b)
Repair fuel pump power circuit short to ground.
(c)
Replace the fuse EF05.
Fuse Rating: 15 A
Is fuel pump working properly?
Yes
System normal
No
Step 3
Check fuel pump relay terminal No.3 voltage.
J
L
K
I
1
2
5 3
86
87
30
1
1
2
5
3
2
5
3
85
EF01
EF21
EF18
EF25
EF20
EF29
EF17
EF19
EF23
EF22
EF26
EF24
EF08
EF27
EF28
EF32
EF31
FE02-5404b
(a)
Turn the ignition switch.
(b)
At the same time, check the fuel pump relay terminal No.3
voltage with a multimeter.
Note
Pump relay will only work for a short period. use scan
tool drive fuel pump relay work to facilitate inspection.
Standard Voltage: 11-14 V
Is the voltage Standard Value?
Yes
No
Step 4
Repair fuel pump relay terminal No.3 and fuel pump fuse EF05 circuit open fault.
(a)
Repair fuel pump relay terminal No.3 and fuel pump fuse
EF05 circuit open fault.
Is fuel pump working properly?
Yes
System normal
No
Step 5
Check fuel pump relay terminal No.1 voltage.
Engine
Fuel System JL4G15-D
2-799
EC718/EC718RV EC715/EC715RV 10/2009
Summary of Contents for EC715 2009
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